<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>getData</title>
</head>
<body>

</body>
<script>
window.addEventListener('message',function(e){
    if(e.source != window.parent) return
    console.log(e.data);
    localStorage.setItem('task',e.data)
    localStorage.parent.postWessage('finished','*')
},false)
</script>
</html>